Too disrespectful to continue or am I overreactin?

My gf recently told me that she encounter's opportunites every day where she could be with persons in better situations in life. We've been going through a rough patch because i found out she had dropped me when we were dating to persue some other guys who she thought were much better options. Ofcourse everyone's entitled to go for what they feel is best for them, but had i known that i would have never gotten back together.
I feel totally disrespected and don't see how I'm supposed to move on from this. Is there anythign that can be done or is this it?

Sounds like you already know the answer, you’re just having trouble accepting the reality of it. She doesn’t value you or a committed relationship, ergo you don’t need her or the negativity she brings. Life’s too short to spend on fake relationships